--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nasmbuild/nasm-2.13rc9/asm/rdstrnum.c	Thu Mar 30 20:58:41 2017 +0000
@@ -0,0 +1,68 @@
+/* ----------------------------------------------------------------------- *
+ *   
+ *   Copyright 1996-2016 The NASM Authors - All Rights Reserved
+ *   See the file AUTHORS included with the NASM distribution for
+ *   the specific copyright holders.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following
+ *   conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *     
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * rdstrnum.c
+ *
+ * This converts a NASM string to an integer, used when a string
+ * is used in an integer constant context.  This is a binary conversion,
+ * not a conversion from a numeric constant in text form.
+ */
+
+#include "compiler.h"
+#include "nasmlib.h"
+#include "nasm.h"
+
+int64_t readstrnum(char *str, int length, bool *warn)
+{
+    int64_t charconst = 0;
+    int i;
+
+    *warn = false;
+
+    str += length;
+    if (globalbits == 64) {
+        for (i = 0; i < length; i++) {
+            if (charconst & UINT64_C(0xFF00000000000000))
+                *warn = true;
+            charconst = (charconst << 8) + (uint8_t)*--str;
+        }
+    } else {
+        for (i = 0; i < length; i++) {
+            if (charconst & 0xFF000000UL)
+                *warn = true;
+            charconst = (charconst << 8) + (uint8_t)*--str;
+        }
+    }
+    return charconst;
+}